Description

[3-(Chlorosulfonyl)Phenyl]Carbamic Acid Ethyl Ester is a versatile and reactive chemical intermediate characterized by its chlorosulfonyl and carbamate functional groups. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for constructing sulfonamide and urea derivatives.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those containing sulfonamide moieties with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its reactive sites for creating diverse chemical structures.
• Organic Synthesis Building Block: Serves as a versatile reagent in academic and industrial laboratories for constructing complex organic molecules, including polymers and specialty chemicals.
• Chemical Research & Development: Employed in medicinal chemistry for structure-activity relationship (SAR) studies and in process chemistry for route scouting and optimization.

Basic Information

Product Name	[3-(Chlorosulfonyl)Phenyl]Carbamic Acid Ethyl Ester
CAS No.	71205-33-9
Molecular Formula	C9H10ClNO4S
Molecular Weight	263.70 g/mol
Synonyms	Ethyl 3-(Chlorosulfonyl)phenylcarbamate; 3-(Chlorosulfonyl)phenylcarbamic Acid Ethyl Ester; m-(Chlorosulfonyl)carbanilic Acid Ethyl Ester; 3-Chlorosulfonylphenylcarbamic Acid Ethyl Ester; Ethyl N-[3-(Chlorosulfonyl)phenyl]carbamate; NSC 406913; AI3-52283
EINECS	Contact for details

Quality Control

Our [3-(Chlorosulfonyl)Phenyl]Carbamic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and synthesis applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.